 html{
                height: 100%;
            }
            *{
                margin: 0;
                padding: 0;
            }
            body{
                height: 100%;
                min-width: 800px;
                min-height: 700px;
                font-size:12px;
                color: #000000;
                font-family:arial;
                position: relative;
            }
            .all{
                margin: 35px auto 0 auto;
                width: 642px;
                display: block;
            }
            .nav{     /*导航*/
                text-align: right;
                font-size: 13px;
/*                overflow: hidden;*/
                padding-top: 20px;
            }
            ul{
                list-style-type: none;
                
            }
            ul li{
                display: inline;
                font-weight: bolder;
                margin-right:  12px;
                margin-left: 5px;
                padding: 1px 1px;
            }
            ul li a.delbolder{
                font-weight:normal;
            }
            ul li button{
                background-color: #3385FF;
                border-style:solid;
                border-color:#3385ff;
                color:#ffffff;
            }
            ul li a.gray{
                color: #333333;
            }
            img{
                display: block;
                width: 270px;/*设置一个就可以保持原有比例*/
                margin: auto;
               
            }
            .search_text{/*查询条框*/
                width:540px;
                height: 33px;/*问题？同高度为什么出现这样的问题*/    
            }
            .button{
                width: 100px;
                height: 35px;
                background-color:#3385FF;
                border-color: #3385FF;
                border-style: solid;
                color: #ffffff;
                position: absolute;
            }
            .Search{/*查找*/
                margin-top: 100px;
                margin-left: 85px;
                margin-right: 85px;
/*                text-align: center;*/
            }
            footer{
                text-align: center;
                margin:0px auto;
                position: absolute;
                height: 100px;
                width: 100%;
                bottom:44px;
                line-height: 25px;
            }
            footer span ,footer span a{
                color:#666;
            }
            .icon{
                width:14px;
                height: 17px;
                display: inline-block;
                overflow: hidden;
                background: url('http://s1.bdstatic.com/r/www/cache/static/global/img/icons_3bfb8e45.png') no-repeat scroll -600px -96px transparent;
                position: relative;
                top:3px;
            }